Metric Measurement

1
Metric Measurement
2

• The Metric System Consist of seven standard
  units and prefixes that represent powers of ten.
  The version of used today is the International
  System of Units or SI.
• Prefixes

Factor Word Thousands Hundreds Tens Basic unit Tenths Hundredths Thousandths
Factor Number 1000 100 10 1 0.1 0.01 0.001
Prefix kilo- hecto- deca- Meter Gram Liter deci- centi- milli-
Symbol k h da d c m
3

• Length distance from one point to another.
• unit meter
• symbol m
• instrument meter stick.

4
(No Transcript)
5
(No Transcript)
6

• 2.Volume is the amount of space an object takes
  up.
• Liquid Volume unit liter, symbol L,
  instrument graduated cylinder.
• b. Read bottom of the meniscus curve

7
c. Volume of regular shaped objects use a metric
ruler and measure the
2cm
10cm
25cm
25 X 10 X 2 500cm3
8
d. Volume of irregular shaped objects like stones
use graduated cylinder.
25
20
Volume is 5 cm3
9
10 cm
What is the volume of this block?
4 cm
12 cm
What is the volume of water?
10
3.Mass amount of matter an object has.

• Unit Gram
• Symbol g
• Instrument Triple Beam Balance

11
4.Density is the amount of mass in a certain
volume. The unit g/ml or g/cm3
mass
volume

• Density the mass divided by the volume
• Density mass/volume
• D m/v

r
U M B
12

• 5. Limits of measurements possible reasons for
  different measurements.
• Human error.
• Instruments can only measure to a certain level
  of accuracy.
• There is no perfect measuring instrument.